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import {memoize, delay} from 'rambda'
describe('memoize', () => {  test('synchronous function', () => {    const fn = (x: number, y: number) => x + y    const memoized = memoize(fn)    const result = memoized(1, 2)    result // $ExpectType number  })  test('asynchronous function', async() => {    const fn = async(x: number, y: number) => {      await delay(100)      return x + y    }    const memoized = memoize(fn)    const result = await memoized(1, 2)    result // $ExpectType number  })})